Coho Patterns in The Fly Tying Bench Posted October 4, 2013 · Report reply Not sure about the stream specific regulations on the vedder or the harrison , but the rules tend to preety relaxed about terminal tackle and all that here in B.C. Just no dropper flies, not that you would want to use one for coho. As for patterns rolled muddlers are a local favorite. Subbing in marabou for a wing, and adding krystal flash makes for an intresting variation. Its worth noting that coho are like water magpies. If its bright and shiny and moving past there face, they cant seem to resist putting it in there mouth .